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Digital Electronics

Digital Electronics
The minimum decimal equivalent of the number 11C is

 183
 268
 269
 194

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Digital Electronics
(1D)16 in BCD 8421 code is

 00011111
 00101001
 00011101
 00100100

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 None of these
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1-1)
 +(2n-1-1),-2n-1

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Digital Electronics
In decimal number system what is MSD

 First digit from left to right
 First digit from right to left
 Mean of all digits
 Middle digit

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Digital Electronics
Which of the following is known as a mod-2 adder?

 X-OR gate
 NAND gate
 X-NOR gate
 NOR gate

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin2
 Pin1
 Pin14

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